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ECN publication
17.9% Metal-Wrap-Through mc-Si cells resulting in module efficiency of 17.0%
Published by: Publication date:
ECN Solar Energy 1-12-2010
ECN report number: Document type:
ECN-W--10-063 Article (scientific)
Number of pages:

Published in: Progress in Photovoltaics: Research and Applications (John Wiley & Sons Ltd.), , 2011,, p.-.

We obtained 17.9% cell efficiency on thin and large mc-Si REC wafers using ECN’s metal-wrap-through (MWT) concept. Optimization of several cell processing steps led to an increase of more than 2% absolute in cell efficiency. With these cells 36-cell modules were manufactured at 100% yield in our industry scale module pilot line. The highest module efficiency obtained (as independently confirmed by JRC-ESTI) was 17%. In this module the average cell efficiency was 17.8%; this shows a small difference between cell and module efficiency. Copyright # 2011 John Wiley & Sons, Ltd.

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